I had trouble with runout using the Hornady New Dimension dies, think it was the expander mandrel from memory causing it. I switched to Redding and not had an issue since.
I had trouble with runout using the Hornady New Dimension dies, think it was the expander mandrel from memory causing it. I switched to Redding and not had an issue since.
I know it might be controversial but for concentricity purposes maybe the Lee neck sizer.....
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